Overview

overview

10

Static

static

fdec933ca1...65.exe

windows7_x64

10

fdec933ca1...65.exe

windows10_x64

10

Analysis

  • max time kernel
    134s
  • max time network
    74s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    13-03-2021 13:22

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General

  • Target

    fdec933ca1dd1387d970eeea32ce5d1f87940dfb6a403ab5fc149813726cbd65.exe

  • Size

    1.3MB

  • MD5

    6be28a4523984698e7154671f73361bf

  • SHA1

    b974375ef0f6dcb6ce30558df2ed8570bf1ad642

  • SHA256

    fdec933ca1dd1387d970eeea32ce5d1f87940dfb6a403ab5fc149813726cbd65

  • SHA512

    c3a44431e8cbb76d75ea2a1caca6fe77dfbd2a9565da918620433d415d396c08394ecb1c6454fc69661d61683711e53b60a69435e25518a04e81c20136f62f20

Score
10/10
dearcrypersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\PROGRAM FILES\WINDOWS SIDEBAR\GADGETS\SLIDESHOW.GADGET\IMAGES\ON_DESKTOP\readme.txt

Family

dearcry

Ransom Note
Your file has been encrypted! If you want to decrypt, please contact us. [email protected] or [email protected] And please send me the following hash! d37fc1eabc6783a418d23a8d2ba5db5a

Signatures

  • DearCry

    DearCry is a ransomware first seen after the 2021 Microsoft Exchange hacks.

    ransomwaredearcry
  • Modifies Installed Components in the registry 2 TTPs
    persistence
  • Modifies extensions of user files 9 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Drops desktop.ini file(s) 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • Program crash 1 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 44 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fdec933ca1dd1387d970eeea32ce5d1f87940dfb6a403ab5fc149813726cbd65.exe
    "C:\Users\Admin\AppData\Local\Temp\fdec933ca1dd1387d970eeea32ce5d1f87940dfb6a403ab5fc149813726cbd65.exe"
    1⤵
    • Modifies extensions of user files
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    PID:1152
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 1328 -s 2780
    1⤵
    • Program crash
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Windows\Explorer.EXE
      "C:\Windows\Explorer.EXE"
      2⤵
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:428

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/428-6-0x000007FEFB321000-0x000007FEFB323000-memory.dmp

    Filesize

    8KB

    Download

  • memory/428-22-0x0000000004320000-0x0000000004321000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1488-3-0x0000000001E10000-0x0000000001E21000-memory.dmp

    Filesize

    68KB

    Download

  • memory/1488-4-0x0000000002A00000-0x0000000002A01000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1488-2-0x000007FEFB991000-0x000007FEFB993000-memory.dmp

    Filesize

    8KB

    Download